Home / 19,447.79-26,837.31-11,489.85

Finding the Fourth Proportional to 19,447.79, 26,837.31 and 11,489.85

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Solution

The fourth proportional to 19,447.79, 26,837.31 and 11,489.85 is: 15,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.79 : 26,837.31 = 11,489.85 : x
  2. Step 2: Convert to fraction form
    19,447.79/26,837.31 = 11,489.85/x
  3. Step 3: Cross multiply
    19,447.79x = 26,837.31 × 11,489.85
  4. Step 4: Simplify right side
    19,447.79x = 308,356,474.67
  5. Step 5: Solve for x
    x = 308,356,474.67/19,447.79
  6. Step 6: Final answer
    x = 15,855.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.